Home / 3,120,442.20-4,680,663.30-1,522,182.60

Finding the Fourth Proportional to 3,120,442.20, 4,680,663.30 and 1,522,182.60

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Solution

The fourth proportional to 3,120,442.20, 4,680,663.30 and 1,522,182.60 is: 2,283,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,442.20 : 4,680,663.30 = 1,522,182.60 : x
  2. Step 2: Convert to fraction form
    3,120,442.20/4,680,663.30 = 1,522,182.60/x
  3. Step 3: Cross multiply
    3,120,442.20x = 4,680,663.30 × 1,522,182.60
  4. Step 4: Simplify right side
    3,120,442.20x = 7,124,824,231,718.58
  5. Step 5: Solve for x
    x = 7,124,824,231,718.58/3,120,442.20
  6. Step 6: Final answer
    x = 2,283,273.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.